How does a photoelectric sensor work?
The photoelectric sensor is a sensor using a photoelectric element as a detection element. It first converts the measured change into a change in the optical signal, and then further converts the optical signal into an electrical signal by means of a photoelectric element. The photoelectric sensor is generally composed of three parts: a light source, an optical path and a photoelectric element.
The photoelectric sensor is controlled by converting the change in light intensity into a change in electrical signal.
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